fluff flunk flurn flurr flurt fluss frunt frust ftrtt fu-fu fuffs fulks fullf fulls fults funks funts furls furrs furst furus fusts fusun fusus futsu futur klunk klurs knuff knurl knurr knurs knuts kruft krull krunk krust kruun kuffs kuksu kukur kullu kulul kulun kulur kulus kunku kunst kunsu kunur kurku kurlu kursk kurts kuruk kurus kusur kutlu kuttu kutur kutus kuusk llrrs luffs lukut lulls lulul lulus lunks lunns lunts lurks lurun lusks lusts lusus lutsk lutsu nltss nstnt nu-nu nukus nulls nunks nunns nunun nurlu nursu nuruk nurun nurus nusku nusus nutuk rlrts rnsts rsssf rsust rt-rk rttns ruffs rufus rukus runst runts rusks rusts rustu rutul ruutu skruk skulk skull skunk skurf skurn skurr skurt skuru skutt slsts sltrn sluff slunk slunt slurf slurs sluss sluts snltr snrfs snuff snuft snurl snurt snuss sssss stftn stnfr strrs strul strut sttns sttsn stuff stuft stull stult stunk stuns stunt sturk sturt stuss suffr suffs suflu suftu sukru sukuk sukun sukur sulf- sulks sulls suluk sulur sulus sulut suntu surfs sursk surtr suruk surul surur surus susuk susun susus suttu suuns t-nut tlkst tllnn tntnt tntsl tnuts truff trull truls trunk truss trust truus tstlt tsuru tsuur ttttt tuffs tufts tukul tukur tulku tulls tulsk tulun tulus tunks tunku turfs turks turku turn- turns turnt turnu tursk turss turst tursu turtu turul turut tusks tutku tutun tutus tuuru ullur ululu uluru unfun unfur unkur unnun unnur unnut unrun unstr unsu unsun unurn urkun urkut ursuk ursus urtlu urutu us-ks ussun ustur usutu utfsf utsul uttur uturn uturu uuuuu